Implement #36 "Indentation"

Add ability to replace incoming tabs with default (4)-spaces

Author: JulienKluge

Interop/OptionsControl.cs

@@ -33,6 +33,7 @@ public class OptionsControl
         public double Editor_ScrollLines = 4.0;
         public bool Editor_AgressiveIndentation = true;
         public bool Editor_ReformatLineAfterSemicolon = true;
+        public bool Editor_ReplaceTabsToWhitespace = false;
 
         public string[] LastOpenFiles = new string[0];
 
@@ -71,6 +72,7 @@ public void FillNullToDefaults()
                             this.Editor_ReformatLineAfterSemicolon = true;
                             this.Editor_ScrollLines = 4.0;
                             this.Program_CheckForUpdates = true;
+                            this.Editor_ReplaceTabsToWhitespace = false;
                             break;
                         }
                     case 1:
@@ -79,17 +81,20 @@ public void FillNullToDefaults()
                             this.Editor_ReformatLineAfterSemicolon = true;
                             this.Editor_ScrollLines = 4.0;
                             this.Program_CheckForUpdates = true;
+                            this.Editor_ReplaceTabsToWhitespace = false;
                             break;
                         }
                     case 2:
                         {
                             this.Editor_ReformatLineAfterSemicolon = true;
                             this.Editor_ScrollLines = 4.0;
                             this.Program_CheckForUpdates = true;
+                            this.Editor_ReplaceTabsToWhitespace = false;
                             break;
                         }
                     case 3:
                         {
+                            this.Editor_ReplaceTabsToWhitespace = false;
                             break;
                         }
                 }

UI/Components/EditorElement.xaml.cs

@@ -129,6 +129,7 @@ public EditorElement(string filePath)
             editor.Options.HighlightCurrentLine = true;
             editor.Options.AllowScrollBelowDocument = true;
             editor.TextArea.SelectionCornerRadius = 0.0;
+            editor.Options.ConvertTabsToSpaces = Program.OptionsObject.Editor_ReplaceTabsToWhitespace;
 
             editor.FontFamily = new FontFamily(Program.OptionsObject.Editor_FontFamily);
             editor.WordWrap = Program.OptionsObject.Editor_WordWrap;

UI/Windows/OptionsWindow.xaml

@@ -48,6 +48,7 @@
                         <CheckBox Name="WordWrap" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="5,55,0,0" Content="Word Wrap" Checked="WordWrap_Changed" Unchecked="WordWrap_Changed" />
                         <CheckBox Name="AgressiveIndentation" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="350,55,0,0" Content="Agressive Indentation" Checked="AIndentation_Changed" Unchecked="AIndentation_Changed" />
                         <CheckBox Name="LineReformatting" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="350,75,0,0" Content="Reformatting Line after semicolon" Checked="LineReformat_Changed" Unchecked="LineReformat_Changed" />
+                        <CheckBox Name="TabToSpace" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="350,95,0,0" Content="Replace tabs with spaces" Checked="TabToSpace_Changed" Unchecked="TabToSpace_Changed" />
                         <TextBlock Name="FontFamilyTB" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="5,80,5,5" Text="Font (Consolas):" IsHitTestVisible="False" />
                         <ComboBox Name="FontFamilyCB" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="5,100,5,5" Width="250" xmlns:ComponentModel="clr-namespace:System.ComponentModel;assembly=WindowsBase" ItemTemplate="{DynamicResource FontTemplate}" SelectionChanged="FontFamily_Changed">
                             <ComboBox.Resources>

UI/Windows/OptionsWindow.xaml.cs

@@ -127,6 +127,21 @@ private void LineReformat_Changed(object sender, RoutedEventArgs e)
             Program.OptionsObject.Editor_ReformatLineAfterSemicolon = LineReformatting.IsChecked.Value;
         }
 
+        private void TabToSpace_Changed(object sender, RoutedEventArgs e)
+        {
+            if (!AllowChanging) { return; }
+            bool replaceTabs = TabToSpace.IsChecked.Value;
+            Program.OptionsObject.Editor_ReplaceTabsToWhitespace = replaceTabs;
+            EditorElement[] editors = Program.MainWindow.GetAllEditorElements();
+            if (editors != null)
+            {
+                for (int i = 0; i < editors.Length; ++i)
+                {
+                    editors[i].editor.Options.ConvertTabsToSpaces = replaceTabs;
+                }
+            }
+        }
+
         private void FontFamily_Changed(object sender, RoutedEventArgs e)
         {
             if (!AllowChanging) { return; }
@@ -169,6 +184,7 @@ private void LoadSettings()
             WordWrap.IsChecked = Program.OptionsObject.Editor_WordWrap;
             AgressiveIndentation.IsChecked = Program.OptionsObject.Editor_AgressiveIndentation;
             LineReformatting.IsChecked = Program.OptionsObject.Editor_ReformatLineAfterSemicolon;
+            TabToSpace.IsChecked = Program.OptionsObject.Editor_ReplaceTabsToWhitespace;
             FontFamilyTB.Text = "Font(" + Program.OptionsObject.Editor_FontFamily + "):";
             FontFamilyCB.SelectedValue = new FontFamily(Program.OptionsObject.Editor_FontFamily);
             LoadSH();